Variable Generation Subcommittee Update to PCC Ann Finley - VGS-PCC Liaison Metropolitan Water District of So. Cal October 7, 2014 Salt Lake City, Utah Western Electricity Coordinating Council

Western Electricity Coordinating Council Current VGS Task Force Variable Energy Resource (VER) Integration Dashboard Being Developed by the Western Interconnection Regional Advisory Board (WIRAB) Renewable resource info state-by-state Posted at: http://www.westgov.org/ver/index.htm Western Electricity Coordinating Council

Western Electricity Coordinating Council Current VGS Task Force OC – Operating Reserves for VG Developing recommendations for calculating operating reserves Collecting surveys from 38 Balancing Authorities Expect two years to complete Western Electricity Coordinating Council

Western Electricity Coordinating Council Current VGS Task Force TEPPC – Technical Advisory Subcommittee’s Intra-Hour Task Force Newly created task force and WECC to scope work to develop an intra-hour dataset and determine source of data Soliciting stakeholder participation Western Electricity Coordinating Council

Proposed VGS Task Force Interconnection Requirements Sept 2012 - A NERC Integrating VG Task Force produced a report link with titled: “Interconnection Requirements for Variable Generation” Determine if interest and value in forming a Task Force to PCC to identify recommendations and also collect lessons learned BPA has interest and has provided some documents of their interconnection requirements Next Steps: If interest to PCC, select a Chair, draft scope and White Paper Western Electricity Coordinating Council

Western Electricity Coordinating Council VGS-PCC Contacts Ann Finley, Program Manager MWD, afinley@mwdh2o.com Matt Hunsaker, Manager, Operations WECC, mhunsaker@wecc.biz Western Electricity Coordinating Council